A 1952 Allard J2X race car rolls across the block at the Barrett Jackson auction Jan. 19 in Scottsdale, Ariz. The car is powered by a 365-cubic-inch Cadillac V-8 engine. David Kadlubowski, The Arizona Republic

An auctioneer calls out bids on the floor at the Barrett Jackson auction. David Kadlubowski, The Arizona Republic

A 1966 Shelby GT350 Fastback rolls across the block at the Barrett Jackson auction. The car is all original with 21,000 original miles, one of 29 Raven Black cars with no stripes. David Kadlubowski, The Arizona Republic

Auctioneer Spanky Lassiter calls out bids at the Barrett Jackson auction. David Kadlubowski, The Arizona Republic

Jeff Gordon's 2006 Chevy Monte Carlo NASCAR vehicle at the Barrett Jackson auction. The car was raced 14 times and won twice. David Kadlubowski, The Arizona Republic

Jeff Gordon smiles as he watches one of his race cars on the auction block. David Kadlubowski, The Arizona Republic

A model walks beside a 1949 Delahaye Type 175 Saoutchik Coupe de Ville as it rolls across the block. The Saoutchik was introduced at the Paris Salon Show in 1949. David Kadlubowski, The Arizona Republic

A worker slaps a sold sticker on a 1949 Delahaye Type 175 Saoutchik Coupe de Ville. David Kadlubowski, The Arizona Republic

A 1965 Shelby GT350 Fastback that was previously owned by Ford Motor gets its turn on the auction block. David Kadlubowski, The Arizona Republic

A 1956 Buick Super 56-C Convertible is up next. The car has fewer than 5,600 miles after being in storage for 42 years. David Kadlubowski, The Arizona Republic

A 1969 Ford Mustang BOSS 429 Fastback has 13,000 original miles with original paint and running gear. David Kadlubowski, The Arizona Republic

The creator of the Batmobile, George Barris, auctions the car at the Barrett Jackson auction. This is the first time that the original Batmobile has been up for sale and includes memorabilia and documentation from Barris' personal archive. David Kadlubowski, The Arizona Republic

Na na na na na na na na na na, Batman! The original Batmobile is surrounded by spectators as it rolls across the block at the Barrett Jackson auction. The car sold for $4.2 million to an undisclosed buyer. David Kadlubowski, The Arizona Republic